Mailbox has exceeded size-How Possible?

Hi All can anyone advise me, I keep getting this warning "Your mailbox has exceeded one or more size limits set by your administrator.Your mailbox size is 57583 KB.Mailbox size limits: You will receive a warning when your mailbox reaches 40000 KB."I have already deleted all of the files within my mailbox the first time I received this message and I only have a total of around 230 items within all of the different folders. I am running Windows Microsoft Outlook Express. All advice gratefully received.

The default setting is usually to delete messages from the server, once they have been downloaded to your computer, but some people who work away from base like to check emails on a laptop, and know that they can still download them to their main working machine when they get home. The laptop leaves the messages on the server, and the main machine deletes them, once it too has downloaded them.

Check the settings on your software (Outlook, Windows mail, or whichever one you use) to make sure that the option to leave on the server is not enabled.

Outlook Express > Tools > Accounts > Mail tab > highlight the account and then on right click on 'Properties' box In popup window that opens, click on 'Advanced' tab and the 'Delivery' options are at the bottom.

Your server may also be automatically blocking a lot of spam. SKY hold these for 30 days so you can check in case they are not. Last time i went to sky e-mail there ere a few thousad there. That might be part of your problem.